Home / 1,008,618.09-1,391,857.47-549,723.66

Finding the Fourth Proportional to 1,008,618.09, 1,391,857.47 and 549,723.66

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Solution

The fourth proportional to 1,008,618.09, 1,391,857.47 and 549,723.66 is: 758,599.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,618.09 : 1,391,857.47 = 549,723.66 : x
  2. Step 2: Convert to fraction form
    1,008,618.09/1,391,857.47 = 549,723.66/x
  3. Step 3: Cross multiply
    1,008,618.09x = 1,391,857.47 × 549,723.66
  4. Step 4: Simplify right side
    1,008,618.09x = 765,136,982,606.74
  5. Step 5: Solve for x
    x = 765,136,982,606.74/1,008,618.09
  6. Step 6: Final answer
    x = 758,599.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.